The water colour variations of the coastal waters around Xiamen Island from 1989 to 2003 has been analysed through image-spectrum-based models without using in situ data.
采用基于影像光谱信息建立的水质遥感模型对环厦门海域1989~2003年间的水色变化进行了分析。
SCP SW 873 Undercoat is a specially formulated quick drying white in colour acrylic water based undercoat for wood and metal.
SCP SW 873底层漆是一种精心配制，快乾的白色丙烯酸水质底层漆，适用于木材及金属。
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